2Holmberg EB, Hillman RE, Hammarberg B, et al. Efficacy of a behaviorally based voice therapy protocol for vocal nodules [ J ]. J - voice,2001,15: 395.
3Hogikyan ND, Appel S, Guinn LW, et al. Vocal fold nodules in adult singers: regional opinions about etiologic factors, career impact, and treatment. A survey of otolaryngologists, speech pathologists, and teachers of singing[J] .J - voice, 1999,13:128.
7Remacle M, Degols JC, Delos M . Exudative lesions of Reinke' s space. An anatomopathological correlation [ J ]. Acta Otorhinolaryngol Belg, 1996,50: 253.
8Childers DG , Hicks DM, Moore GP, et al. A model for vocal fold vibratory motion contact area and the electroglottogram[ J ]. J Acoust soc Am, 1986,80:1 309.
9Motta G, Cesari U, Iengo M, et al. Clinical application of electroglottography[J]. Folia phoniatr, 1990,42:11.
10Zalesska - Krecicka - M, Krecicki T, Cyganek P, et al. Analysis of voice disorders in teachers treated in the Phoniatric laboratory of the Otolaryngology Department AM in Wroclawl[J]. Przegl Lek. 1999,56:139.
